{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["cause effect", "message topic", "product producer", "entity origin"], "input": "frank c. lewis , a representative of a syndicate of chicago capitalists , was credited as the source of this information ."}
{"cause effect": [], "message topic": [], "product producer": [], "entity origin": []}